Finding the Fourth Proportional to 1,190,549.81, 1,642,973.68 and 646,694.68
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Solution
The fourth proportional to 1,190,549.81, 1,642,973.68 and 646,694.68 is: 892,446.77
Step by Step Solution
- Step 1: Write the proportion equation
1,190,549.81 : 1,642,973.68 = 646,694.68 : x - Step 2: Convert to fraction form
1,190,549.81/1,642,973.68 = 646,694.68/x - Step 3: Cross multiply
1,190,549.81x = 1,642,973.68 × 646,694.68 - Step 4: Simplify right side
1,190,549.81x = 1,062,502,338,236.02 - Step 5: Solve for x
x = 1,062,502,338,236.02/1,190,549.81 - Step 6: Final answer
x = 892,446.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.